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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]

Saturday
High: 72 °F
WNW 10kt
< 1ft
Saturday Night
Low: 59 °F
Light Wind
< 1ft
Sunday
High: 71 °F
Light Wind
< 1ft
Sunday Night
Low: 58 °F
Light Wind
< 1ft
Monday
High: 69 °F
Light Wind
< 1ft
Monday Night
Low: 58 °F
E 10kt
< 1ft
Tuesday
High: 74 °F
Light Wind
< 1ft
Tuesday Night
Low: 60 °F
Light Wind
3ft
Wednesday
High: 75 °F
Light Wind
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:47 am EDT Jun 20, 2026
Forecast Valid: 3am EDT Jun 20, 2026-6pm EDT Jun 26, 2026

View Nearby Observations

Detailed Forecast

Saturday

W wind around 10 kt becoming NW in the afternoon. Winds could gust as high as 25 kt. Sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of showers before 7pm. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. Showers likely, mainly after 4pm. Seas 1 ft or less.

Monday Night

E wind 5 to 10 kt. Showers. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. Showers likely before 8am. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.

Wednesday

Variable winds 5 kt or less. Sunny. Seas 2 to 3 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.